Salivasaliva : Evaluation of the entire quantity of saliva is simple and can provide information, which has systemic relevance]. Quantitative changes in saliva may be due to drugs (at least 400 medications can cause xerostomia. Diuretics, antihypertensives, antipsychotics, antihistamines, antidepressants, anticholinergics, antineoplastics, amphetamines, barbiturates, hallucinogens, marijuana, and alcohol has been associated with decreased salivary flow and can cause problems such as progressive dental caries, fungal infections, oral pain, and dysphagia.
Qualitative changes in saliva composition may also provide diagnostic information about dental problems: increased levels of albumin in whole saliva detected in patients receiving chemotherapy as a treatment for cancer and then developed stomatitis, reduced salivary EGF levels may be important for the development of radiation mucositis, a deeper level high salivary nitrate and
